Go back

3.13ct royal blue sapphire ring Sri Lanka GRS certified in 18K white gold, The Port Louis

Sapphire engagement ring 3.13ct half-moon diamonds 18K white gold, The Port Louis

Royal blue sapphire ring one-of-a-kind in 18K white gold worn on hand, The Port Louis

The Port Louis

Sold out

The Port Louis Ring features a stunning Royal Blue Sri Lankan Sapphire of 3.13 carats and two half moon diamonds of the highest caliber. Crafted from white gold 18K, this one-of-a-kind ring is accompanied by a GRS Laboratory Certificate for the central sapphire.

This ring has already been sold. Contact us to create a custom ring for yourself.

Metal 18K White Gold 18K White Gold

Swiss Made

Complimentary Engraving

Insured Delivery to Your Home

The Custom Made Process

Creating a bespoke engagement ring is a personal journey guided by our GIA-certified gemologists. From diamond selection to Swiss craftsmanship, you'll be involved in every step of the design process.

Discover our complete bespoke process

Details & Services

Complimentary Engraving

Add a meaningful date, initials or private message — discreetly inscribed.

Ring Size Guidance

We personally guide you in determining the correct size before creation, whether by sending a ring sizer or through tailored sizing alternatives.

Insured Delivery

All orders within Switzerland include complimentary, fully insured delivery with signature required.

International orders are shipped via DHL Express, fully insured and with tracking. Import duties and local taxes remain the responsibility of the recipient.

Creation Time

Most bespoke commissions are completed within 8–10 weeks. For proposals or special occasions, we suggest beginning the process 2–4 months in advance.

If you are working with a shorter timeframe, we invite you to explore our Ready-to-Offer creations or reach out to discuss available options.

Work With Us Remotely

We work seamlessly with clients across Switzerland and internationally. Our transparent process keeps you closely involved, with regular updates, photos and videos so you feel as though you’re right here in the atelier with us.

Begin your bespoke journey.

YOUR PROJECTS

Oval diamond band and an open pear cut diamond ring in 18K yellow gold

Jewelry design studio with gemstone engagement ring designs and microscope

Pear-shaped diamond ring with pavé halo in 18K gold

Blue sapphire and emerald engagement rings with trapezoid diamonds

Mara Megelea branded jewelry boxes in gold velvet, one holding a diamond ring, on a wooden table

Mara Megelea on an ethical gemstone sourcing field visit in Thailand

SCHEDULE AN INITIAL CALL

CONTACT FORM

Mara Megelea GIA Graduate Gemologist in Swiss jewelry atelier with certifications

Bespoke crown engagement ring design process

There’s nothing like a one-on-one experience. From selecting the perfect stone to designing and crafting your ring in our atelier, you will be immersed in every step of the custom-made process.

THE PROCESS